2198156620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{15443}}^1$

素因数の和:16110

約数の個数: 48

約数和(自身を含む): 5043886848

約数和(自身を除く): 2845730228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 647, 1294, 2588, 3235, 6470, 7117, 12940, 14234, 15443, 28468, 30886, 35585, 61772, 71170, 77215, 142340, 154430, 169873, 308860, 339746, 679492, 849365, 1698730, 3397460, 9991621, 19983242, 39966484, 49958105, 99916210, 109907831, 199832420, 219815662, 439631324, 549539155, 1099078310, 2198156620]

約数ペア:

[(1, 2198156620), (2, 1099078310), (4, 549539155), (5, 439631324), (10, 219815662), (11, 199832420), (20, 109907831), (22, 99916210), (44, 49958105), (55, 39966484), (110, 19983242), (220, 9991621), (647, 3397460), (1294, 1698730), (2588, 849365), (3235, 679492), (6470, 339746), (7117, 308860), (12940, 169873), (14234, 154430), (15443, 142340), (28468, 77215), (30886, 71170), (35585, 61772)]